170328-N-FP878-106 DOUALA, Cameroon (March 28, 2017) Cameroonian sailors conduct a casualty training drill during Exercise Obangame Express 2017. The exercise is sponsored by U.S. Africa Command, and designed to improve regional cooperation, maritime domain awareness, information-sharing practices, and tactical interdiction expertise to enhance the collective capabilities of Gulf of Guinea and West African nations. (U.S. Navy photo by Mass Communication Specialist 1st Class Theron J. Godbold/Released)